Bump com.google.code.gson:gson in /apps/unicorn-store-javax

Bumps [com.google.code.gson:gson](https://github.com/google/gson) from 2.12.1 to 2.13.0.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/main/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.12.1...gson-parent-2.13.0)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-version: 2.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

apps/unicorn-store-javax/pom.xml

@@ -55,7 +55,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.12.1</version>
+            <version>2.13.0</version>
             <scope>compile</scope>
         </dependency>
         <dependency>